Warning: if you're going to checkout the whole plugins tree like that to your plugins directory, you probably will want to configure loadPlugins to select which plugins to use. Otherwise, you'll end up with obsolete and/or incompatible with each other plugins.

Alternate way is to checkout the plugins you need to separate directories under plugins - they still will be loaded automatically by default.

And of course, you can use no plugins at all.

6. When everything is done, your Openkore folder should look like this: